Electronics > Projects, Designs, and Technical Stuff

Make an inductance coil

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quentief:
Hi everyone,

I am opening this subject because I would like to ask you some information about the coils designing.

Indeed, I am working on a project which requires a coil, with an great deal of inductance, possibly close to 1H, and which can deal with a maximum current of 10 amps.

I have already tried with a MOT transformer : I used its primary coil as an inductance and it works perfectly. However the weigh of the transformer bring some drawback and in that respect, I would like to design my own inductance to replace it. 

I have recovered a magnetic core from an old transformer, smaller than the MOT. I would like to use it to design my own coil. I have tried to wind the magnetic core in different way to make a coil with a suitable inductance but it did not work. I am wondering if my core is not saturated, but I don't have any implement to check that.

Therefore, I would like to contact you, see if you could help me. I don't have enough information about the designing of inductance, especially by considering the saturation.

jonpaul:
Bonjour monsieur, désolé, impossible pour le bon réponse votre question, avant réception plus des informations.

10 ampères AC, DC ou les tous ?

Fréquence min, max ?

Linéarité ?


J'attends pour votre réponses,


Bon Soirée


Jean-Paul

quentief:
Comment savez-vous que je suis français ? Je parle anglais si mal que ça ? :P
Voici ce que je peux vous dire :
Il s'agit d'un courant rectifié provenant d'un pont de diode lui même relié au 230 volts du secteur (donc 50Hz). Le courant est limité grâce à une résistance électrique de 23 Ohms, dont courant efficace maximum de 10 ampères. Je cherche à concevoir une inductance de l'ordre de 1 H.

Gyro:

--- Quote from: jonpaul on March 01, 2020, 10:46:33 pm ---Bonjour monsieur, désolé, impossible pour le bon réponse votre question, avant réception plus des informations.

10 ampères AC, DC ou les tous ?

Fréquence min, max ?

Linéarité ?


J'attends pour votre réponses,


Bon Soirée


Jean-Paul

--- End quote ---

Your French is very good!  :-+

Siwastaja:
1H at 10A saturation current requires a physically massive and heavy inductor, no way around it. I suspect you can't get it much smaller than a microwave oven transformer. What are you actually doing? There's likely a better way which requires less or no inductance.

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